David Clark C31-XX Series Extension Cords are required to connect the Series 3000 Ground Support Headsets to an Aircraft's external PJ-051 Jack. The C31-50 Extension Cord is a 50 foot, Straight Cord with (SC-838) Female Connector and (PJ-051) Plug.
C31-12: 12 foot, Straight Cord with (SC-838) Female Connector and (PJ-051) Plug
C31-25: 25 foot, Straight Cord with (SC-838) Female Connector and (PJ-051) Plug
C31-50: 50 foot, Straight Cord with (SC-838) Female Connector and (PJ-051) Plug
C31-100: 100 foot, Straight Cord with (SC-838) Female Connector and (PJ-051) Plug
C31-26: 26 foot (extended), Coil Cord with (SC-838) Female Connector and (PJ-051) Plug
Marv has had a 30-Day Return Policy for over 30 years!
If you’re not satisfied, we’ll refund your money!
Our Customers Say it Best
"This was my first purchase from Marv Golden, but it certainly won't be my last! With their great selection, exceptional customer service, and superb pricing, you really can't go wrong. - Charlie (Cessna 172)"
"Rick spent more time with me than I expected in order to help me select the correct iPad yoke mount for my Aerostar. He even stayed on the phone while I took some measurements in my plane! Above and beyond – will call again in a heartbeat. - Jack (Piper Aerostar, Instrument Pilot)"
"As always, the quality is outstanding, and it was delivered promptly. These are great people and they're always there to help! - JR (Private Pilot)"
"My order shipped very quickly. I highly recommend buying any product from this website. - Dave (CFII)"
"Great prices and great Customer Service at Marv Golden.com! - DJ (Hawker 800)"
"Marv has the best prices and service! - John K (Piper Arrow)"
"Marv Golden Pilot Supplies go above and beyond. I received a brand new release watch at a great price and it was safely delivered half way around the world to country NSW. My first international transaction over the net and was a wee bit anxious but fully satisfied with these guys. 10 stars! - Wiggy (Paramedic Flight Crew)"
"Service, Selection, and Prices were were excellent! Marv's is my new Aviation Store! - Susie (A320)"
Within my home state....nice alternative to one of many pilot shops around.
Best prices by a huge margin! Great communication from the sales team!
MG is the right place to get your items! Great customer service!
Products were as advertised and great quality!
Very simple ordering with fast checkout! Thank you!!
Great website! I recommend MG to all pilots!
Delivered quickly and efficiently. I would recommend MG for all your aviation needs!
Quality customer service! Highly recommend MG for pilot supplies!
Great service from the MG team!
- Global 5000/6000 captain
You guys are the best with quick shipping and good follow-up!
- Mike chev
Easy online shopping experience!
Easy ordering and fast shipping at MG
This was my first purchase from MG but it won't be the last!
I always buy from MG! Thanks Marv and keep up the good work!
MG had the best price by far and the service was excellent!
Excellent customer service!
Can't say enough about the excellent customer service at MG! They went above and beyond!
Shopping at Marv Golden is fantastic! Fast delivery and customer care is always superior!
Excellent shopping experience! Great customer service!
Extremely fast shipping! Very impressive!
Great selection of products with fast delivery!
Competitive pricing and fast delivery!
- John t
Outstanding quality and customer service! Flawless ordering and shipping!
MG has great prices and return policy. Also, great choices for pilot supplies. Thank You MG!
- J lay
First place I go for aviation things!
MG has never let me down - product is always as described. Thanks Marv for the years of great service!
I was very pleased with my first order from MG! I will definitely be back!
Professional staff is very knowledgeable!
MG is always reliable and responsive! I always shop here first!
Great quality and reliability!
Excellent products and excellent quality!
My shopping experience was excellent! Customer service was very helpful!
- H lang
Will be a return customer - Thank you Marv Golden!
Marv knew just what I wanted! Thank you for your excellent customer service!
Would recommend to others! Arrived on time and as described.
Great products! Always a pleasure to shop at Marv Golden!
Marv knew just what I needed! Thank you for the great customer service!
- Mike baker
Fast shipping, good web site to use, fun tracking map. Would buy from MG again.
Great quality products with great customer service!
- Fabian masini
Easy. No haggling. No shipping cost saves money.
Great selection and service at MG!
Marv's was the only place that had my item and it was delivered in record time!
Fantastic! MG is the best place to purchase all of your pilot products!
Great experience! Prompt service and delivery!
MG had the headset I wanted in stock when no one else did, and with Free Shipping!
Super fast delivery! Great experience at MG! Would definitely recommend to anyone!
Delivery was super fast to Hong Kong. Will definitely purchase from MG again!
Fast delivery with a great support team!
Marv Golden has been fantastic to deal with. Stress free returns/exchanges and fast free shipping. What more can you ask for?
Could not have found anything better! Thanks MG!
Always great service and a great location for pilots coming in to San Diego!
Easy ordering and fast delivery.
Marv Golden was very easy to work with as I tried different headsets. In the end, I got the headset I wanted.
Great products delivered promptly! Very happy with MG!
Great prices and speedy delivery! I'm a very happy customer!
The website was so easy to use! MG was helpful with questions!
Shipping was fast and the service was good from MG
MG is a great value!
Love the quality of the items I bought from Marv's!
Marv is wonderful! Always great customer service and high quality products!
Great products and fast shipping!
Great website for easy ordering!
Fast delivery and great quality products!
Best price I could find for this product, fast shipping, new in box.
- Mike a
Easy ordering with competitive prices! Fast delivery!
- John t
I've always been satisfied with my purchases from Marv Golden.
The best place for pilot supplies!
Customer service was so helpful!
Very accommodating sales team!
- Yellowcopter john
Fast and reliable shipping!
You can't beat Marv Golden for price or customer service!
I would buy again from MG for sure!
My return was hassle-free! Thanks MG!
Arrived quickly as advertised.
- Happy customer
Great value at Marv Golden!
Great products at great prices!
Received earlier than expected!
I am fully satisfied with marvgolden services
Great price on this item. Shipped fast!
Easy order process and speedy delivery!
MG was great - went above and beyond to help. Without a doubt will continue to purchase with them.
Great service and fast, no-hassle shipping.
Best prices I could find anywhere! Shipping was so fast!
Fast and simple ordering! Great customer service!
Shopping was great! Items delivered on time with reasonable prices.
Great selection of quality products! Fast shipping and tracking!
Great customer service! Great warranty with reasonable prices!
- Watch collector
Marv Golden had the best price, order was easy to place, and item was shipped fast!
I bought two headsets from Marv 33 years ago and they served me very well. Still in use today!
Marv Golden always takes excellent care of me and my students!
Very easy ordering!
Great web site, easy to use, fast shipping.
The customer support at MG was outstanding!
Price was the best - I appreciate the fast shipping!
Extremely impressed with Marvgolden. Excellent price, fast delivery and customer support.
I've been a customer of Marv's in the past and have never been disappointed!
Fast shipping, great packaging.
Excellent customer service and the shipping was lightning fast!
Easy to navigate the website! Ordering was easy and the products were a great value!
Service from MG is unsurpassed!
100% satisfied with quality and performance from MG! Highly recommended!!
- Fly kt
MG is dependable with fast delivery!
Marv's has the best price and the best quality items!
MG is worth every penny! I will definitely go back for all my aviation needs!
Great company! Shipped super fast! it was exactly what they said it was and more. I will most definitely buy from them again!
- Eric von straussenburg
Great pricing and fast service! I've bookmarked MG for all my pilot needs!
I have been buying from MG for a long time. They are always helpful and easy to work with!
My first car was an MG :)
Can't beat the quality, price, and history of success at Marv's!
- Ga pilot
Fast delivery! I would definitely order from MG again!
- Burton in arabia
The MG sales team was so responsive! Great prices and fast shipping!
Great products with a pleasant checkout process! Fast shipping!
Always happy with MG's service. You won't be disappointed!
MG has the best prices and the best service!
Great shopping experience and quick delivery!!
Best prices, shipping, and customer service out there. I will always buy here.
- Freight dog
MG is fantastic!
No problems with ordering, fast delivery!
Great shopping experience!
- Broken wing
Delivered on time!
Shopping at Marv Golden is simple and easy!
The service at MG was outstanding as always!
- Flight test kiwi
Great customer service! Questions were answered quickly and accurately!
MG is great and has awesome customer service.
Marv Golden is always fast with processing and shipping orders!
Excellent! 5 Stars for MG!
Like a local Pilot Shop - only better! Will always come back to MG!
- Texas johnny
Great products at great value!
- 80 driver
Great prices and selection!
Great service - fast shipping!
MG always ships quickly! Good selection and quality products!
MG shipped it out right away. Thanks for the great customer service.
Prompt shipping. Marv's will be our initial choice for future needs!
Customer service from MG is beyond compare! I wish they would run my car dealership!
Great customer service as promised!
Will definitely shop MG for my aviation needs.
- Bear in the air
Great products with great prices!
Complaining about shipping taking too long and I got a standard email saying sorry. That is not customer service they did not fix the problem or help the matter by doing something to maintain my business
Delivered as ordered and before I expected!
Good quick pilot shop, good prices!
Just a pleasure to deal with
Excellent prices and fast shipping!
Quick and reliable customer service!
Marv Golden was great! They always kept me informed about the status of my order!
I always end up at MG due to the excellent service and the best prices!!
Great quality and great service every time!
Great experience at Marv Golden!
Great products at great prices! Shipping was very quick.
Five stars for Marv Golden!
Great shopping experience!
Customer service was great at fielding questions!
Fast delivery and service!
Shopping was so easy and the products arrived in a timely manner!
Very easy experience at Marv's!
Good products, fair prices, and quick service! Thanks MG!
Excellent service from Marv's! Fast shipping and excellent customer service!
Great service and fast shipping. Will recommend website to others.
Ordering from MG was hassle-free! Fast international shippping!
Great website-so easy to navigate!
The staff went above and beyond! I'm extremely satisfied with your customer service!
Delivery is always prompt and worry-free! No better pilot store on the internet!
- Steve vb
Delivery was on time even though I am in Asia. Good job.
5 Star service from MG! Fast shipping with great prices!
Simply awesome, will be back again!
Marv Golden has the best prices and the best customer service!
Fast shipping and no hassle ordering!
Excellent customer service at MG!
Always good, speedy service.
Easy ordering and prompt delivery!
Quick answers from customer service! Fast shipping!
Great quality products!
Quick, easy, and fast shipping!
The experience was great! Very helpful customer service!
Found this product on Amazon with a good price, then purchased from you with an even better price!
Marv's had superior service and really paid attention to every detail!
Products were exactly as advertised!
The support I received from MG was superb!
Great company, I keep coming back!
Very good products! MG is a good company to order from! I'll be back for sure!
Marv and his store are awesome! One of my favorite places to buy! Supporting local is an added plus.
Marv Golden is awesome! You have to check him out!
Always great prices and the customer service staff has a great attitude!
MG customer service was great!
Marv's is the best pilot shop in San Diego! Very pleased with the service and staff!
Everything went well ordering online, order arrived on time!
Could not have found any better! Thanks MG!
Five stars, item very well packed and super fast shipping to France.
- Ze grüll
Shipped immediately - the best purchase experience this season!
Good store/website. Competitive prices.
Fast shipping! Best prices available online!
- Juliet golf
Brilliant customer service and excellent communication!
Very happy with my products and the service I received from MG!
Working with the team at MG is always a pleasure!
Shopping was very quick and easy. Good shipping timeline. Good Price.
MG couldn't be better! Great service and reasonable prices!
Amazing quality with fast shipping! Products exceeded my expectations!
Needed everything a specific date and location. Everything received as ordered! Thanks Marv!
Couldn't find my product anywhere else! Thanks Marv!
Great site. Marv Golden delivered my shades surprisingly fast. Received everything exactly as ordered.
Competitive pricing and fast delivery!
Timely service, good prices and great products. Will be a repeat customer!
Fast shipping and delivery!
Superb customer service at MG!
MG got these headphones out to me super quick. Would definitely buy from MG again !
Fabulous service and excellent support before and after purchase.
- All wx / 24-7-365 / u r sick = ifly reserve pro
Marv's is fast and the shipping is trustworthy!
Excellent value and outstanding quality. And all for a low price!
Great sales experience and customer service!
I buy all of my glasses and comms here. Great prices and fast shipping!
Marv Golden is my go-to place!
Great customer service and fast shipping!
MG has great service for international customers! Excellent products!
Outstanding buying experience!
I prefer dealing with Marv Golden over other suppliers! MG has the best prices!
Great selection and fast delivery!
Prompt and accurate shipping!
Easy purchasing and fast shipping!
Very pleased with my purchase at Marv Golden!
Choices are vast and problem-free shopping! Super easy!
Best prices! I will keep coming back!
Thank you MG!
Excellent delivery service - I received these within days of ordering.
MG had the best price and fastest delivery! Other dealers weren't even close!
My experience with MG was excellent.
Fast shipping with great prices!
- Airbus pilot
Easy-to- navigate website! Items were in stock and shipped really fast!
Packaged well - will continue to purchase from Marv Golden!
Fast delivery and great shipping rates!
Outstanding service, customer service support, and prices!
- Deacon blues
Excellent product descriptions and my items were delivered quickly and were great quality!
Great pricing, quick shipping!
- Ranch dog
Love this company! Great products and they always stand behind them. Fast and accurate shipping.
Impeccable service! Good prices and fast delivery!
Marv Golden exceeds expectations!
Five stars for Marv's!
Marv has the best prices! Their customer service is superb, I would highly recommend them!
Great package handling, fast shipping, high quality items! Always satisfying to shop at MG!
- Yuditra pangau
The great product came faster than expected and was a perfect fit!
- Doc willis
Very good store - thanks!
Very easy ordering! Received my products super fast!
- Golden girl
Fast International delivery and very helpful sales staff!
- Marc delapierre
You can't go wrong with Marv!
Product was as advertised. Very happy with the service at Marv Golden!
I would recommend Marv to all pilots! Fast shipping and delivery!
Great shopping experience! Great customer service - They are my new go-to!
MG is great! Great prices and return policy!
MG is fantastic! Easy ordering, great prices and fast delivery! My go-to store!
I was really impressed with the customer service! They immediately took care of my problem!
Marv and his staff were superb as always!
The service at MG was outstanding! Product was shipped quickly and delivered on time!
Product was high quality and shipping was so fast! MG is a great value!
Marv Golden is the best! I never shop anywhere else!
I have bought from MG since the late 80's! always professional!
Great quality products!!
A great example of what customer service should be.
- Stick and rubber
Great experience and easy to navigate the website!
Top quality materials and fast shipping!
I love shopping at Marv Golden! They're the first place I check online!
Katie was really helpful with shipping!
MG Service is excellent!
Great experience at MG!
Great service! Prompt response from customer service! I will definitely be back!
Excellent service with great products and fast delivery!
- Tinmen 146
MG is a great company! Sales representative was so helpful!
Purchase was easy and shipping was prompt.
High quality items at great prices!
Marv Golden was a great company to deal with!
Delivered on time and as promised! Could not have asked for better!
Easy to navigate website! Competitive pricing-best deal in town!
Helpful customer service staff! Good value and fast shipping!
Super fast shipping with top notch customer service!
The products work great and Marv's offers fast shipping!
Delivery was surprisingly fast! I'm a loyal customer!
Marv Golden has been my go to Aviation store since 1990. I remember calling with Marv manning the phones.
Will buy again from MG!
The sales team was patient and answered all my questions!
MG had what I needed with great prices. Fast shipping!
Great prices! Great communication with the sales staff!
Best pilot shop on the market! Fast, efficient service and always the best prices!
Thanks, MarvGolden! Good service and fast shipping.
- C. jackson
MG had the best prices and the items were actually in stock!
Great turnaround time - received my products earlier than expected!
- Nom de plume
Never have any problems with MG!
Outstanding experience! MG has the best prices online and the fastest service!
MG had the best value!
- Spike of glastonbury
Great website! Prices and quality of items can't be beat!
- Old guy
Orders are sent with lightning speed; tracking the order is spectacular with the links sent to your email; prices are outstanding!
I've been shopping at MG since 1992 and the service is always exceptional!
Awesome service at Marv's as always!
Great customer service staff! Great products and selection!
Keep up the great customer service! You've got my business!
- Alan l. carpenter
Bought from Marv Golden. 5 Star customer service as usual. Thanks MG
Excellent service from Marv Golden!
Fast shipping, best prices, excellent customer service! MG has a knowledgeable staff!
Staff at Marv Golden were awesome!
Online ordering was so easy!
- Bent spike
Product arrived undamaged and ahead of schedule. I would use Marv Golden again- 5 stars!
Outstanding products! Customer service was top notch!
- Triple h
Ordering from Marv Golden was fast and easy!
- Captain obvious
Great phone consult service. Really helped me out!
Fast shipping and my items were well packed!
Excellent service! Five stars!
Excellent value! Great customer service! Thank you for the years of great business!
- Yudi kristian
Marv Golden is a fantastic place to shop! Their customer service is one of a kind!
Product was exactly as advertised. I would absolutely shop MG again! Thanks Marv!
Very pleased with the products and the service I received from MG!
- Pilot pete
MARV GOLDEN PILOT SUPPLIES
8690 Aero Drive, Suite 102 San Diego, California 92123